021 
WUUS55 KBOU 132158
SVRBOU
COC005-035-132230-
/O.NEW.KBOU.SV.W.0303.260813T2158Z-260813T2230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Denver CO
358 PM MDT Thu Aug 13 2026

The National Weather Service in Denver has issued a

* Severe Thunderstorm Warning for...
  Western Arapahoe County in northeastern Colorado...
  Northeastern Douglas County in northeastern Colorado...

* Until 430 PM MDT.

* At 358 PM MDT, a severe thunderstorm was located near Centennial,
  or 10 miles southeast of Denver, moving east at 15 mph.

  HAZARD...Ping pong ball size hail and 60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...People and animals outdoors will be injured. Expect hail
           damage to roofs, siding, windows, and vehicles. Expect
           wind damage to roofs, siding, and trees.

* Locations impacted include...
  Southern Aurora, eastern Centennial, northeastern Highlands Ranch,
  Parker, Greenwood Village, Lone Tree, Arapahoe Park, Foxfield and
  Cherry Creek Reservoir.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Seek shelter inside a well-built structure and stay away from
windows. This storm is capable of producing damaging winds and large
hail.

Tornadoes can develop quickly from severe thunderstorms. Seek shelter
immediately in an interior room on the lowest floor of a well-built
structure.

&&

LAT...LON 3953 10492 3962 10489 3964 10488 3965 10488
      3965 10485 3966 10485 3966 10487 3967 10487
      3971 10486 3968 10462 3966 10461 3957 10465
      3957 10466 3953 10466 3949 10468
PARTITION...408005
TIME...MOT...LOC 2158Z 281DEG 13KT 3962 10483

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.50 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

63

294 
WWUS55 KBOU 132208
SVSBOU

Severe Weather Statement
National Weather Service Denver CO
408 PM MDT Thu Aug 13 2026

COC005-035-132230-
/O.CON.KBOU.SV.W.0303.000000T0000Z-260813T2230Z/
Arapahoe CO-Douglas CO-
408 PM MDT Thu Aug 13 2026

...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM MDT FOR
WESTERN ARAPAHOE AND DOUGLAS COUNTIES...

At 408 PM MDT, a severe thunderstorm was located 5 miles west of
Arapahoe Park, or 12 miles southeast of Denver, moving east at 15
mph.

HAZARD...Ping pong ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail
         damage to roofs, siding, windows, and vehicles. Expect wind
         damage to roofs, siding, and trees.

Locations impacted include...
  Southern Aurora, eastern Centennial, Parker, Greenwood Village,
  Lone Tree, Arapahoe Park and Foxfield.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Seek shelter inside a well-built structure and stay away from
windows. This storm is capable of producing damaging winds and large
hail.

Tornadoes can develop quickly from severe thunderstorms. Seek shelter
immediately in an interior room on the lowest floor of a well-built
structure.

&&

LAT...LON 3953 10489 3960 10487 3962 10487 3964 10486
      3965 10485 3966 10485 3966 10484 3967 10484
      3970 10482 3968 10462 3966 10461 3957 10465
      3957 10466 3953 10466 3949 10468
PARTITION...408005
TIME...MOT...LOC 2158Z 281DEG 13KT 3962 10482

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.50 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

63

025 
WWUS55 KBOU 132228
SVSBOU

Severe Weather Statement
National Weather Service Denver CO
428 PM MDT Thu Aug 13 2026

COC005-035-132238-
/O.EXP.KBOU.SV.W.0303.000000T0000Z-260813T2230Z/
Arapahoe CO-Douglas CO-
428 PM MDT Thu Aug 13 2026

...SEVERE THUNDERSTORM WARNING WILL EXPIRE AT 430 PM MDT FOR WESTERN
ARAPAHOE AND DOUGLAS COUNTIES...

The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

&&

LAT...LON 3953 10489 3960 10487 3962 10487 3964 10486
      3965 10485 3966 10485 3966 10484 3967 10484
      3970 10482 3968 10462 3966 10461 3957 10465
      3957 10466 3953 10466 3949 10468
PARTITION...408005
TIME...MOT...LOC 2208Z 282DEG 13KT 3961 10478

$$

63